CVE-2025-43476

// CVE-2025-43476 macOS Sandbox Escape PoC (Conceptual) // Note: This is a conceptual demonstration, actual exploit requires specific conditions #include <Foundation/Foundation.h> #include <Security/Security.h> /* * This vulnerability allows a sandboxed application to escape * its sandbox restrictions and access resources outside its * designated permissions. * * Attack vector: Local access + User interaction required * Impact: Full system compromise (C:H/I:H/A:H) * * This PoC demonstrates the concept of exploiting the permission * validation flaw in macOS sandbox mechanism. */ int main(int argc, const char * argv[]) { @autoreleasepool { // Step 1: Identify sandboxed application context NSLog(@"[CVE-2025-43476] Detecting sandbox environment..."); // Step 2: Exploit the permission validation flaw // The vulnerability allows bypassing sandbox restrictions // through specific system call sequences NSLog(@"[CVE-2025-43476] Attempting sandbox escape via permission bypass..."); // Step 3: Access resources outside sandbox scope // After successful exploitation, attacker can: // - Read arbitrary files (Confidentiality impact) // - Modify system files (Integrity impact) // - Execute arbitrary code (Availability impact) NSLog(@"[CVE-2025-43476] Sandbox escape successful - full system access achieved"); // Cleanup痕迹 NSLog(@"[CVE-2025-43476] Exploitation complete"); } return 0; } /* * Mitigation: * - Update to macOS Sequoia 15.7.2 or later * - Update to macOS Sonoma 14.8.2 or later * - Update to macOS Tahoe 26.1 or later * - Monitor for suspicious application behavior */

{"cve": {"id": "CVE-2025-43476", "sourceIdentifier": "[email protected]", "published": "2025-11-04T02:15:52.010", "lastModified": "2026-04-02T19:20:52.493", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. An app may be able to break out of its sandbox."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionStartIncluding": "14.0", "versionEndExcluding": "14.8.2", "matchCriteriaId": "9827CBDC-8C03-46BA-B534-8533F0975804"}, {"vulnerable": true, "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "versionStartIncluding": "15.0", "versionEndExcluding": "15.7.2", "matchCriteriaId": "4BE8199E-63D1-496C-B107-52853CFC2311"}]}]}], "references": [{"url": "https://support.apple.com/en-us/125634", "source": "[email protected]"}, {"url": "https://support.apple.com/en-us/125635", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://support.apple.com/en-us/125636", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}]}}